.sider {
	float: left;
	position: fixed;
	left: 0;
	height: 90%;
	width: 20%;
	top: 10%;
	margin-left: 0;
	display: block;
	background-color: #a34;
	-moz-transition: margin-left 1s;
	transition: margin-left 1s;
	z-index: 998;
}

#btn {
	position: absolute;
	top: 55%;
	left: 100%;
	height: 10%;
	border: 0;
	border-left: 1px solid rgb(23, 32, 43, 0.2);
	background: #AA3344;
	color: #fff;
	cursor: pointer;
}

.left {
    position: absolute;
	width: 50vw;
    left: 0px;

}

.right {
    position: absolute;
}

.download_setting
{
	width: 80vw;
	height: 30vh;
	border: 5px solid #000000;
	padding: 0px 100px;
}
#asset_info{
	left: 51vw;
}
